The approximately €12 million (US$13.7 million) order has been booked in Outotec's 2019 March quarter order intake.
Outotec's scope in this order includes design and delivery of proprietary Outotec Larox pressure filters as well as installation and commissioning advisory services and spare parts.
When complete, the plant will convert spodumene concentrate into lithium hydroxide.
Kimmo Kontola, head of Outotec's Minerals Processing business, said: "We are pleased to cooperate with our customer in producing a world class project. At Outotec, we have expertise to offer sustainable solutions for extracting lithium from brines and spodumene ores up to battery grade lithium salts. We are well positioned in this growing market for lithium processing technologies."